We embed inside dental practices to eliminate waste, streamline workflows, and unlock sustainable growth, powered by Lean Six Sigma and AI.
Every engagement is built around your practice, not a template.
We get into the detail: mapping processes, identifying root causes, and delivering change that holds.
A 5-step path to real change.
Each engagement follows the same disciplined sequence — calibrated to your practice, never templated.
01Current State Analysis
02Prioritise
03Future State Design
04Implement & Embed
05Measurable Results
01
Current State Analysis
We get under the bonnet of your operation: reviewing reports, financials, your supplier service and workflows to understand exactly how your practice runs and where time and money are being lost.
02
Prioritise
We identify which processes are causing the most drag and cost, and rank the changes that will deliver the greatest return; so you know exactly where to focus first.
03
Future State Design
We design what your operation should look like. Using Lean principles, AI, new processes, policies and supplier options, we map a clear path forward: quantifying the benefits, highlighting where revenue is leaking, and ensuring every improvement is built around full compliance.
04
Implement & Embed
We deliver the right solutions for your practice: whether that's AI tools, technology, process changes, policy updates or supplier switches. We work with your team to ensure every change is adopted and embedded, not just handed over. Ongoing support is available if you need it.
05
Measurable Results Guaranteed
Every solution we deliver is tied to measurable outcomes. We track the impact, report on the gains, and back our work with a money-back guarantee. If you don't see results, you don't pay. Simple as that.
Why practices choose sigmasmile
Most consultants bring a framework. We bring that too, but we also bring years of experience inside dental practices, understanding the clinical realities, the operational pressures, and exactly what it takes to make change stick in this environment.
01
Inside knowledge. Outside expertise.
We understand the clinical pressures, the patient flow, the compliance obligations and the operational realities, which means we know exactly where the friction is and how to fix it.
02
A methodology the dental sector hasn't seen before.
Lean Six Sigma is the gold standard in healthcare, legal and finance, but it's barely touched dentistry. We bring this structured, data-driven discipline to your practice for the first time, replacing guesswork with proven frameworks that eliminate waste and drive consistent performance.
03
AI that actually fits your practice.
Not every AI tool is built for dentistry, and the wrong one costs you time and money. We identify, test and implement the right solutions for your specific workflows, ensuring technology works for your team, not against it.
04
Clear ROI. No fluff.
Every engagement is measured against real outcomes: revenue recovered, time saved, capacity unlocked. Before we start, you'll know what success looks like. After we finish, you'll be able to see it. And if you don't, you don't pay.
Practice Savings Calculator
How much could your practice save?
Answer three quick questions. We'll show you the potential annual opportunity in your practice.
1
2
3
Your Practice
Focus Areas
Your Savings
Tell us about your practice
We'll calibrate the opportunity against real benchmark data.
Number of sites1
Pricing covers up to 3 sites. Larger groups quoted on request.
Annual group turnover£500k
Combined across all sites.
Total active patients3,000
Registered and seen across all sites in the past 24 months.
Where do you want to start?
Select one or more areas. Each maps to a service pillar we analyse and fix.
✓
🔍
Procurement & Spend
Materials, consumables, supplier contracts
✓
👥
HR & People
Sickness, contracts, performance audit trails
✓
🦷
Patient Journey
Dormant patients, bookings, retention
✓
💰
Billing & Collections
Outstanding balances, NHS reconciliation
✓
⚙
Operations
Workflows, compliance, process waste
Please select at least one area to continue.
Your estimated opportunity
Conservative figures based on a real 3-site dental group engagement (April 2026).
Estimated annual value
£0
across the areas you selected
* Based on anonymised benchmark data from a 3-site dental group (£1.2m turnover, April 2026). Estimates are conservative. Actual results vary by practice.
Ready to shift your practice?
Book a 20 min complimentary discovery call. No obligation, no jargon.
Ravinder
Founder & Director
I'm a Lean Six Sigma Black Belt with 15 years of experience delivering operational transformation across complex, regulated environments — and I've spent the last several years applying that discipline specifically to dental practices.
That combination is rare. I understand the clinical side — patient flow, CQC obligations, treatment planning pressures — and I understand the operational side — staffing, procurement, billing, compliance, and the systems underneath it all. That dual perspective is what makes the work land.
Before founding SigmaSmile, I led large-scale transformation programmes across professional services and corporate functions. I've seen what structured problem-solving can do when it's applied with rigour — and I built SigmaSmile to bring that same standard to an industry that's never had it.
Recently, working with a multi-site private dental group with a multi-million pound turnover, I mapped end-to-end workflows across procurement, bookkeeping and compliance — identifying significant manual overhead that was quietly absorbing resource and revenue. By redesigning those processes and integrating the right AI and automation tools, we freed up substantial operational capacity and reduced dependency on costly manual functions. The same engagement surfaced compliance gaps that, left unaddressed, carried real regulatory risk.
If your practice is growing but feeling the strain, or you know something isn't working but can't pinpoint what — that's exactly where I come in.
Karam
AI & Technology Solutions
Ready to shift your practice?
Book a 20 min complimentary discovery call. No obligation, no jargon.
What we offer
Our services.
Tailored consulting programmes built specifically for dental practices — from diagnostics to delivery.
£202k+
in untracked patient balances identified and recovered
49%
reduction in procurement spend through supplier renegotiation
7,000+
dormant patients reactivated with trackable revenue impact
15 hrs
saved per week on associate pay processing through automation
Where we deliver.
01
Capability Building
Identify waste and fix problems at source
Process mapping and root cause analysis
Lean Six Sigma Yellow Belt qualification included
'Lean mindset' training - see the world through a new lens
Measured by: recurring issue reduction · time saved · team confidence
02
Leadership & Culture
Define performance targets and measure current reality
Already using AI tools? Most practices are — but using a tool and having a structured methodology are different things. Applying technology to an unmapped process automates inefficiency rather than eliminating it. We map and measure every process first, so when technology is introduced it solves a defined problem with a trackable outcome.
Error reduction measured against pre-automation data
ROI calculated per technology investment
Ready to shift your practice?
Book a 20 min complimentary discovery call. No obligation, no jargon.
Real processes. Real results.
What Lean Six Sigma actually looks like inside a dental practice — and why it changes everything.
43% Reduction
in clinical turnaround time in a documented dental LSS study*
~3% Efficiency score
for typical associate pay process across practices without standardised workflows
£000s in Unrecovered Revenue
identified within a single 4-site dental group diagnostic
*TQM Journal (2022) — LSS in a dental college; treatment turnaround reduced from 63.9 to 36.5 minutes.
A process every practice runs every month.
Here’s where the time actually goes. Lean Six Sigma maps every step, measures the time, and finds exactly where the process breaks down.
Waste — eliminate
Manual — improve
Value-adding
ManualExport Treatment Data20 min
→
WasteCross-Reference Appointment Diary40 min
→
WasteChase Outstanding Lab Receipts30 min
→
ManualCalculate Pay on Spreadsheet30 min
→
ReworkIdentify & Correct Errors50 min
→
ValueSubmit to Payroll10 min
60 min
Actual value-adding work
120 min
Wasted on duplication & fixing errors
4.5 days
Sitting in inboxes, waiting for replies
3%
Process efficiency score. World-class is 25%+. This process is 8× below standard.
Process efficiency = (value-adding time ÷ total lead time) × 100. Every hour of real work carries 33 hours of waste and waiting.
The Real Cost of Broken Processes
Most dental practices are losing time and money daily without realising it. No dental school teaches operational excellence, so avoidable waste quietly builds up and starts to feel normal. Lean Six Sigma makes it visible — and fixable.
Chair time lost to poor handoffs
A clinical chair idle for just 15 minutes between patients across 4 surgeries costs thousands per month. Without mapping the handoff, you’ll never see it — let alone fix it.
Manual admin done multiple times
Patient details entered into one system, then another. Associate pay calculated on spreadsheets, disputed, recalculated. Time your team could spend on patient care. Or getting home on time.
Billing gaps and unrecovered revenue
Outstanding balances, incorrect treatment codes, missed charges. Without a clear billing process, money falls through the gaps — often undetected for months, sometimes never recovered.
Patients not booked in for their next appointment
No clear ownership of the follow-up process means patients leave without their next visit confirmed — and no one follows up. Revenue is lost, and so is the relationship with the patient.
Fix the process first. Then automate it.
Same problem. Two approaches. Only one works.
❌ No strategy
Patients not booked in
↓
Reaction
Message sent to everyone
↓
Add AI on top
3,000 messages — wrong people, wrong time
↓
Low conversion. Wasted budget.
✓ Lean Six Sigma first
Patients not booked in
↓
Step 1 — Analyse
Segment patients by behaviour
↓
Step 2 — Strategise
Right message. Right patient. Right time.
↓
Step 3 — Add AI
AI runs a targeted, validated campaign
↓
Higher conversion. Lower cost.
The key insight
Both paths end with AI. The difference is that the right path fixes the strategy first. AI applied to a broken process just automates the failure — faster, and at greater cost.
The framework
The Framework
Every SigmaSmile engagement follows DMAIC — a five-phase problem-solving process that produces permanent improvements, not temporary fixes. Each phase is grounded in your practice’s actual data, not assumptions.
D
Define
Agree on exactly what the problem is and what success looks like.
“Associate pay takes a full week and still results in disputes.”
M
Measure
Gather real data on times, errors and costs — not gut feeling.
Map each pay step, time it, find the 3% efficiency score.
A
Analyse
Find root causes — not symptoms everyone has learned to live with.
No integration between systems — that’s why rework keeps happening.
I
Improve
Targeted fixes — tested and piloted with your team before rollout.
Single standardised pay report replaces diary cross-reference entirely.
C
Control
Build systems so improvements stick and teams don’t relapse.
Monthly pay run now takes 90 min, not 5 days. No disputes.
↑ Each phase builds on the last. AI or technology isn’t introduced until after the Improve phase — once the root cause is understood and the fix is validated.
6 Things Lean Six Sigma Actually Delivers
In plain language, no jargon — just what changes inside your practice.
01Better patient experience
02Recovered revenue
03A team that knows what good looks like
04CQC compliance — built in
05Grow without the problems
06The right base for AI
01
Better patient experience — without adding headcount
Shorter waits. Clearer communication. Consistent follow-up. It happens automatically when the operation runs well — no extra initiative needed.
02
Revenue you didn’t know you were losing
Billing gaps. Unbilled treatments. Patients not booked in for follow-up. LSS finds them — and stops them coming back.
03
A team that knows exactly what good looks like
Agreed standards cut mistakes and reduce daily stress. Less reinvention. Easier to do the job well.
04
CQC compliance — built in, not bolted on
Audit trails and accountability become daily habits. When an inspection comes, you’re confident — not scrambling.
05
Grow without replicating your problems
Operational chaos scales with you if you don’t fix it first. Solid process foundations mean every new site starts clean.
06
The right foundation for AI
AI needs clean, stable processes to work. LSS builds exactly that — so when you invest in technology, it amplifies what’s working, not what isn’t.
Recognised by UK dentistry’s leading clinical bodies.
Lean Six Sigma isn’t borrowed from manufacturing. Dental research now confirms it’s a natural fit for how modern practices actually work.
Journal · Royal College of Surgeons of England · 2025
Faculty Dental Journal
Lean Six Sigma has been referenced in peer-reviewed dental literature published by the RCS England Faculty Dental Journal. LSS is now recognised not as a manufacturing tool borrowed awkwardly — but as a natural fit for the clinical and administrative complexity of modern dental practice.
Book a 20 min complimentary discovery call. No obligation, no jargon.
Two disciplines. One operating system.
Speed plus precision. Waste elimination plus zero defects. Together, they form the most powerful operational framework ever developed — and the methodology at the heart of every sigmasmile engagement.
Speed & Flow
Lean
A philosophy and a set of tools built around one central idea: eliminate everything that doesn't add value for the customer. Every step in a process is either adding value — or it's waste.
Born on the factory floor of Toyota in post-war Japan, Lean transformed manufacturing globally and spread into healthcare, finance and beyond. In a dental practice, waste looks like patients waiting, staff rekeying data, supplies over-ordered, appointment gaps, compliance tasks done twice. Lean surfaces all of it.
Σ
Quality & Precision
Six Sigma
A data-driven methodology for eliminating defects and reducing variation in any process. Developed at Motorola in the 1980s and weaponised by GE under Jack Welch in the 1990s, it uses statistical analysis to find the root cause — not just the symptom.
A Six Sigma process produces fewer than 3.4 defects per million opportunities — near-perfect performance. In dentistry, a “defect” might be a missed appointment, a billing error, a compliance gap, or a patient who doesn't return. Six Sigma fixes it at the root.
The Synergy
Lean Six Sigma
Combines the speed and waste-elimination of Lean with the precision and data rigour of Six Sigma. The result is faster, leaner, more consistent operations — with measurable outcomes at every stage.
It is the gold standard for operational excellence in healthcare, legal services and finance. We bring it to dentistry.
Where it came from
Born on the factory floor. Proven across the world.
Lean Six Sigma didn't emerge from a business school. It was forged under pressure — by engineers who had to rebuild Japanese manufacturing from the ground up, and by corporations that needed to eliminate billions in waste at scale.
1950s
Toyota — Lean
Taiichi Ohno and Eiji Toyoda develop a system built on eliminating waste (muda), just-in-time production, and continuous improvement (kaizen). Toyota becomes the benchmark for operational excellence worldwide.
1986
Motorola — Six Sigma
Bill Smith at Motorola formalises Six Sigma to tackle quality defects in manufacturing. Motorola saves over $16 billion in the following decade. The methodology wins the Malcolm Baldrige National Quality Award.
1995
General Electric — Six Sigma
GE's CEO Jack Welch mandates Six Sigma across every business unit. GE reports over $10 billion in savings within five years. It becomes the most famous corporate transformation in history.
2000s
NHS — Lean Six Sigma
Lean Six Sigma moves into hospitals, financial services and the public sector. The NHS introduces Lean to reduce waiting times, cut errors and improve patient outcomes across the UK.
Now
Dentistry — The future
Every major sector has adopted Lean Six Sigma. Dentistry — with its complex patient flows, compliance obligations, multi-site operations and revenue pressures — has not. Until now.
Get in touch
Contact us.
Ready to shift your practice? Start with a free 20 min complimentary discovery call — no obligation, no jargon.
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sigmasmile
LEAN · AI · OPERATIONS
Is your practice as profitable as it looks?
Four quick exercises. 20 minutes. A number you probably weren't expecting — and a plan to do something about it.
4
Sections
~20
Minutes
Free
Always
No sign-up required. Your answers stay on your device.
Section 1 of 4
Your Practice MOT
Three questions most practice owners have never honestly answered
Question 1
When did you last finish a full clinical day on time?
Today 🎉
This week
This month
Can't recall
Question 2
At the end of yesterday, did you know exactly where every pound of revenue went?
Yes, completely
Roughly
Not really
No idea
Question 3
If your most experienced nurse didn't come in tomorrow, what happens to the day?
Runs fine
A bit wobbly
Real struggle
Chaos 😬
"If your practice can't run at full standard without a specific person, the knowledge lives in their head — not your system. That's a business risk that shows up in your valuation."
Your practice name (optional)
Section 2 of 4
Your Waste Number
The financial cost of what you've been normalising
"A practice doesn't lose money in one big moment. It loses it in the two-minute waits, the missing instruments, the patient who never rebooked, and the admin done twice."
Your practice basics
Patients per day
Avg appointment value
£
No-shows & cancellations
What % of appointments are no-shows or last-minute cancellations? (UK average is 15%)
Under 5%
5–10%
10–20%
Over 20%
Daily overrun
How far behind does a typical day run by 5pm?
On time
~15 min
~30 min
30+ min
Estimated Annual Waste Cost
£ — —
No-show revenue lost—
Overrun time cost—
Process waste est.—
Exit multiple check: Recovering £50,000 of this annually at a 7× exit multiple adds — to your practice sale price. Not a projection. Arithmetic.
Your reaction
What surprises you most about that number?
Section 3 of 4
Your Practice Rhythm
Are you running to demand — or chasing it?
Takt time is the rhythm your practice must run at to meet patient demand. When any single step takes longer than takt time, you fall behind — and stay behind. Most practices are chasing it before 10am.
Step 1 — your schedule
Clinical hours per day
hrs
Patients per day
Your Takt Time
—
minutes per patient
Step 2 — your reality check
Pick your most common procedure type and be honest about timing
What procedure?
Allocated time
min
Actual average time
min
"Being fully booked and being optimally scheduled are not the same thing."
Section 4 of 4
Your Pit Stop
From 4 minutes of chaos to 2.4 seconds of precision — what's your surgery turnover?
In the 1950s a Formula 1 tyre change took over 4 minutes. Today it takes 2.4 seconds. Nothing changed except separating work that needs the car stationary from work that can happen before it arrives. Your surgery works exactly the same way.
Your current turnover time
How long between one patient leaving and the next being seated?
🟢 External — currently happening after, but could happen before
These are your recoverable minutes. Be honest.
Your target turnover time
If you moved all external work forward, what could you realistically hit?
3–4 min
4–5 min
5–6 min
Not sure
Minutes recovered per turnover
—
Per day (15 turnovers)—
Per week—
Per year—
"Your surgery turnover is your pit stop. Right now most practices are running it like a 1950s Williams. With the right process it can run like a modern Red Bull."
sigmasmile
Your Practice Performance Report
Based on your answers — here is what the data says
